DXBeam 40 meter rotary dipole
  • DXBeam 40 meter rotary dipole
  • DXBeam 40 meter rotary dipole (radiation plots @ 14,5m above ground)
  • 40m rotary dipole at (only) 13m above ground
  • 40m rotary dipole at (only) 13m above ground
  • 40m rotary dipole
  • 40m rotary dipole
  • 40m rotary dipole (self guying option)
  • DXBeam 40 meter rotary dipole
  • DXBeam 40 meter rotary dipole
  • DXBeam 40 meter rotary dipole
  • DXBeam 40 meter rotary dipole
  • 40m rotary dipole
  • 40m rotary dipole
  • 40m rotary dipole
  • 40m rotary dipole
  • DXBeam 40m rotary dipole
  • DXBeam 40m rotary dipole

40m rotary dipole

DXM40-1

40m rotary dipole (7 MHz) DXBeam  (Ref. DXM40-1)

€439.00
Quantity
Made to order

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Description

 Ask for a quote with shipping before ordering

40m rotary dipole (7 MHz).
Shortened element with high-Q loading coils PTFE insulated and weatherproof.
Element made from 35 to 12mm tube.
Insulating Guying provided (see below).

 

Specifications

• Forward gain in free space (dBi): 1,7

• F/B ratio (dB): 0

• Frequency coverage (MHz): 7,000 - 7,200 MHz (see below for possible settings)

• Bandwidth @ 1.5 VSWR (kHz): 150

• Feed impedance (ohms): 50

• Power handling (kW): 5

• Longest element (m)/(ft): 13.60/44.6

• Turning radius (m)/(ft): 6.80/22.3

• Weight (kg)/(lb): 7.5/16.5

• Wind survival (km/h)/(mph): 125/77.7

• Standard Mast size (mm)/(inch): 50/2 (55/2.25 or 60/2.50 optional at no extra cost)

 

Possible settings

#1  CW preference: 1.3:1 VSWR on 7.0 and 7.1 MHz - 1.7:1 on 7.15 - 2:1 on 7.2 MHz

#2  SSB preference: 1.3:1 VSWR on 7.05 and 7.15 MHz - 1.6:1 on 7.0 and 7.2 MHz

(See analyzer Plots from the pictures above)

 

Insulating Guying

This rotary dipole is supplied with two guys in polyester (longevity > 25 years), quick fastening system and guy clamp that will be fixed to the mast (about 70 cm above the antenna).

As an option, a self guying kit allows you to place the rotary dipole DXBeam at the top of mast (regardless of the height required for guying). It also allows the guying of the dipole to the ground (easier), and install the antenna without adjust the guys when antenna is up.

 

Greases supplied

2 kinds of grease are supplied with your antenna:

• Aluminum contact grease: Professional grease containing 30% aluminum particles, recommended for the assembly of aluminum antenna tubes. Prevents binding, corrosion and the formation of aluminum oxide, and allows easy dismantling of antennas after several years.

• Copper conductive grease: Professional conductive grease with a copper base, recommended for all hardware requiring a sound and lasting electrical contact. Prevents oxydisation, damp ingress, and limits chemical reaction between stainless steel and aluminum.



Balun or no Balun ?

This antenna does not require any balun.

• To avoid having stray current on the braid of a coaxial cable (often the cause of RF and/or TVI/BCI), you can make your own 1:1 choke balun with coaxial cable. Explanations are provided with antenna assembly instructions. (See also our F.A.Q).

Ask for a quote with shipping before ordering

Product Details
DXBeam
DXM40-1
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